JPH0480977U

JPH0480977U -

Info

Publication number: JPH0480977U
Application number: JP12495590U
Authority: JP
Priority date: 1990-11-26
Filing date: 1990-11-26
Publication date: 1992-07-14

Description

[Brief explanation of drawings]

第１図は、本考案に係る電磁弁の一実施例を示
す縦断側面図。第２図は、第１図の正面図。第３
図は、第１図に示した可動部付近の拡大縦断側面
図。第４図は、可動部の他の実施例を示す拡大縦
断側面図。第５図は、第４図に示す被覆部材の他
の実施例を示す拡大縦断面図。第６図は、ダイヤ
フラム２０を示す拡大正面図。第７図は、本考案
の磁性体移動コアにダイヤフラムを組付ける状態
を示す斜視図。第８〜９図は、ダイヤフラム２０
の他の実施例を示す拡大正面図。第１０図は、従
来の可動部の構造の一例を示す拡大縦断側面図で
ある。８，９……ボデー、１０……固定コア、１１…
…ボビン、１１ａ……ボビンの上面、１１ｂ……
ボビンの内径、１２……電気コイル、１６……弁
座、１７……可動部、１８……磁性体移動コア、
１９……被覆部材、１９ａ……被覆部材の下面、
２０……ダイヤフラム、２１……シール部、２２
……フランジ、２３……肩、２５ａ……切欠、２
８……圧縮コイルスプリング、２９……プレート
、３０……コイルカバー、３２，３３……端子、
３４……Ｏリング、３１……弾性体。 FIG. 1 is a longitudinal sectional side view showing one embodiment of the solenoid valve according to the present invention. FIG. 2 is a front view of FIG. 1. Third
The figure is an enlarged longitudinal sectional side view of the vicinity of the movable part shown in FIG. 1. FIG. 4 is an enlarged longitudinal sectional side view showing another embodiment of the movable part. FIG. 5 is an enlarged longitudinal sectional view showing another embodiment of the covering member shown in FIG. 4. FIG. 6 is an enlarged front view showing the diaphragm 20. FIG. 7 is a perspective view showing how a diaphragm is assembled to the magnetic material moving core of the present invention. 8-9 show the diaphragm 20
FIG. 7 is an enlarged front view showing another embodiment. FIG. 10 is an enlarged longitudinal sectional side view showing an example of the structure of a conventional movable part. 8,9...Body, 10...Fixed core, 11...
...Bobbin, 11a...Top surface of bobbin, 11b...
Inner diameter of bobbin, 12... Electric coil, 16... Valve seat, 17... Moving part, 18... Magnetic material moving core,
19... Covering member, 19a... Lower surface of covering member,
20...Diaphragm, 21...Seal portion, 22
...Flange, 23...Shoulder, 25a...Notch, 2
8... Compression coil spring, 29... Plate, 30... Coil cover, 32, 33... Terminal,
34...O-ring, 31...elastic body.

Claims

[Claims for Utility Model Registration] 1. Non-magnetic bodies 8 and 9, a fixed core 10 fixed to the body 8, an electric coil 12 that supplies magnetic flux to the fixed core 10, and an outer peripheral portion between the bodies 8 and 9. A solenoid valve comprising a diaphragm 20 to which is fixed, and a movable part 17 supported by the diaphragm 20 and disposed opposite to the fixed core 10. A magnetic body moving core 18 in the shape of a wide-mouthed bottle having a shoulder 23 and a flange 22 of the magnetic body moving core 18 are covered, and the flange 22 and the shoulder 23 are covered.
A covering member 19 is provided to fill the gap between the flange 22 of the magnetic moving core 18 and the shoulder 23.
Support portion 24 of covering member 19 held between
A solenoid valve comprising a diaphragm 20 fixed to a diaphragm 20. 2. The electromagnetic valve according to claim 1, wherein the magnetic moving core 18 is provided with an elastic body 31 at its lower end that comes into contact with the fixed core 10. 3. Set the outer diameter of the covering member 19 to the inner diameter 11 of the bobbin.
When the movable part 17 is closed, the outer edge of the lower surface 19a of the covering member 19 and the upper surface 11 of the bobbin are made larger than the dimension b.
2. The electromagnetic valve according to claim 1, wherein the solenoid valve a is brought into contact with the valve a. 4 The shape of the opening 25 of the diaphragm 20 is
It is formed into an elliptical shape, or a plurality of notches 25a are provided outwardly on the inner peripheral edge of the opening 25, and the neck portion below the flange 22 of the magnetic material moving core 18 is
2. The solenoid valve according to claim 1, wherein the diaphragm 20 can be inserted by tilting the opening 25 of the diaphragm 20.